387708149906 has 48 divisors (see below), whose sum is σ = 736310335488. Its totient is φ = 149865629760.

The previous prime is 387708149833. The next prime is 387708149923. The reversal of 387708149906 is 609941807783.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685931 + ... + 1116206.

It is an arithmetic number, because the mean of its divisors is an integer number (15339798656).

Almost surely, 2^387708149906 is an apocalyptic number.

387708149906 is a deficient number, since it is larger than the sum of its proper divisors (348602185582).

387708149906 is a wasteful number, since it uses less digits than its factorization.

387708149906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802295 (or 1802284 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 387708149906 in words is "three hundred eighty-seven billion, seven hundred eight million, one hundred forty-nine thousand, nine hundred six".